Pontius Jr., R.G., Boersma, W., Castella, J.-C., Clarke, K., De Nijs, T., Dietzel, C., Duan, Z., Fotsing, E., Goldstein, N., Kok, K., Koomen, E., Lippitt, C.D., McConnell, W., Pijanowski, B.C., Pithadia, S., Sood, A.M., Sweeney, S., Trung, T.N., Veldkamp, T.A. <strong>and</strong> Verburg, P.H. (2008) Comparing <strong>the</strong> input, output, <strong>and</strong> <strong>validation</strong> maps for several models <strong>of</strong> l<strong>and</strong> change. Annals <strong>of</strong> Regional Science 42(1): 11-37. Pontius Jr., R.G., Huffaker, D. <strong>and</strong> Denman, K. (2004) Useful techniques <strong>of</strong> <strong>validation</strong> for spatially explicit l<strong>and</strong>-change models. Ecological Modelling 179(4): 445-461. Ransijn, M., Hilferink, M., Zut, R. <strong>and</strong> Rietveld, P. (2001) Validatie en calibratie van de Ruimtescanner. Chapter 5. In: Scholten, H.J., Van de Velde, R.J. <strong>and</strong> Borsboom-van Beurden, J.A.M. (eds.), Ruimtescanner: informatiesysteem voor de lange termijn verkenning van ruimtegebruik. Utrecht/Amsterdam Koninklijk Nederl<strong>and</strong>s Aardrijkskundig Genootschap/Faculteit der Economische Wetenschappen en Econometrie, Vrije Universiteit Amsterdam, Utrecht/Amsterdam, pp. 54-71. Raziei, A. <strong>and</strong> Evers, W. (2001) Afstemming ruimtelijke gegevens voor de L(eef) O(mgevings) V(erkenner) en R(uimte)S(canner). internal report RIVM . RIVM, Bilthoven. Rietveld, P. <strong>and</strong> Wagtendonk, A.J. (2004) The location <strong>of</strong> new residential areas <strong>and</strong> <strong>the</strong> preservation <strong>of</strong> open space; experiences in <strong>the</strong> Ne<strong>the</strong>rl<strong>and</strong>s. Environment <strong>and</strong> Planning A 36(11): 2047-2063. RIVM, IKC-Natuurbeheer, IBN-DLO <strong>and</strong> SC-DLO (1997) Natuurverkenning 97. Samson H.D. Tjeenk Willink b.v., Alphen aan de Rijn. Scholten, H.J., Van de Velde, R.J., Rietveld, P. <strong>and</strong> Hilferink, M. (1999) Spatial information infrastructure for scenario planning: <strong>the</strong> development <strong>of</strong> a L<strong>and</strong> Use Planner for Holl<strong>and</strong>. In: Stillwell, J., Geertman, S. <strong>and</strong> Openshaw, S. (eds.), Geographical Information <strong>and</strong> Planning. Springer-Verlag, Berlin/Heidelberg/New York, pp. 112-134. Schotten, C.G.J., C.Heunks, A.J.Wagtendonk, J.J.G.Buurman, C.J.de Zeeuw, H.Kramer <strong>and</strong> W.T.Boersma (2001a) Simulating Europe in <strong>the</strong> 21th century. NRSP-2 report 00-22 . BCRS, Delft. Schotten, C.G.J., Goetgeluk, R., Hilferink, M., Rietveld, P. <strong>and</strong> Scholten, H.J. (2001b) Residential construction, l<strong>and</strong> <strong>use</strong> <strong>and</strong> <strong>the</strong> environment. Simulations for <strong>the</strong> Ne<strong>the</strong>rl<strong>and</strong>s using a GIS-based l<strong>and</strong> <strong>use</strong> model. Environmental modeling <strong>and</strong> assessment 6: 133-143. Schotten, C.G.J. <strong>and</strong> Heunks, C. (2001) A national planning application <strong>of</strong> Euroscanner in <strong>the</strong> Ne<strong>the</strong>rl<strong>and</strong>s. Chapter 17. In: Stillwell, J.C.H. <strong>and</strong> Scholten, H.J. (eds.), L<strong>and</strong> <strong>use</strong> simulation for Europe. Kluwer Academic Publishers, Amsterdam, pp. 245-256. Schreuder, A. (2005) Doemscenario’s over natuurbehoud. NRC- H<strong>and</strong>elsblad January, 15, pp. 2. Schrijver, A. (2003) Combinatorial optimization - polyhedra <strong>and</strong> efficiency. Springer-Verlag, Berlin. Timmermans, H., Batty, M., Couclelis, H. <strong>and</strong> Wegener, M. (2007) Scientific Audit Of National L<strong>and</strong> Use Models ; Report <strong>and</strong> Recommendations <strong>of</strong> <strong>the</strong> Audit Committee. Ne<strong>the</strong>rl<strong>and</strong>s Environmental Assessment Agency (MNP), Bilthoven. Tokuyama, T. <strong>and</strong> Nakano, J. (1995) Efficient algorithms for <strong>the</strong> Hitchcock transportation problem. SIAM Journal on Computing 24(3): 563-578. Van de Velde, R.J., Schotten, C.G.J., Van der Waals, J.F.M., Boersma, W.T., Ouwersloot, H. <strong>and</strong> Ransijn, M. (1997) Ruimteclaims en ruimtelijke ontwikkelingen in de zoekgebieden voor de toekomstige nationale luchtinfrastructuur (TNLI). Quickscan met de Ruimtescanner. RIVM<strong>rapport</strong> 711901024 . RIVM, Bilthoven. Verburg, P.H., Ritsema van Eck, J.R., De Nijs, T.C.M., Dijst, M.J. <strong>and</strong> Schot, P. (2004) Determinants <strong>of</strong> l<strong>and</strong>-<strong>use</strong> change patterns in <strong>the</strong> Ne<strong>the</strong>rl<strong>and</strong>s. Environment <strong>and</strong> Planning B 31(1): 125-150. Visser, H. <strong>and</strong> De Nijs, T. (2006) The Map Comparison Kit. Environmental Modelling & S<strong>of</strong>tware 21(3): 346-358. Volgenant, A. (1996) Linear <strong>and</strong> semi-assignment problems: a core oriented approach. Computers <strong>and</strong> Operations Research 23(10): 917- 932. Wagtendonk, A.J., Julião, R.P. <strong>and</strong> Schotten, C.G.J. (2001) A regional planning application <strong>of</strong> Euroscanner in Portugal. Chapter 18. In: Stillwell, J.C.H. <strong>and</strong> Scholten, H.J. (eds.), L<strong>and</strong> Use Simulation for Europe. Kluwer Academic Publishers, Amsterdam, pp. 257-291. Wagtendonk, A.J. <strong>and</strong> Rietveld, P. (2000) Ruimtelijke ontwikkelingen woningbouw Nederl<strong>and</strong>, 1980 – 1995; Een historischkwantitatieve analyse van de ruimtelijke ontwikkelingen in de woningbouw in de periode 1980 - 1995, ter ondersteuning van de Omgevingseffect<strong>rapport</strong>age Vijfde Nota Ruimtelijke Ordening. Vrije Universiteit, Amsterdam. Wagtendonk, A.J. <strong>and</strong> Schotten, C.G.J. (2000) Bedrijfsterreinen weg van de snelweg? Een historische analyse van de ruimtelijke ver<strong>and</strong>eringen van bedrijfsterreinen in de periode 1981 – 1993, op het ruimtelijk schaalniveau van 500 meter gridcellen. RIVM-<strong>rapport</strong> 711901028 . RIVM, Bilthoven. Xiang, W.N. <strong>and</strong> Clarke, K.C. (2003) The <strong>use</strong> <strong>of</strong> scenarios in l<strong>and</strong>-<strong>use</strong> planning. Environment <strong>and</strong> Planning B 30: 885-909. 40 <strong>Calibration</strong> <strong>and</strong> <strong>validation</strong> <strong>of</strong> <strong>the</strong> L<strong>and</strong> Use Scanner allocation algorithms
Acknowledgements This research was commissioned by <strong>the</strong> Spatial Modelling programme <strong>of</strong> <strong>the</strong> Ne<strong>the</strong>rl<strong>and</strong>s Environmental Assessment Agency (<strong>PBL</strong>). Part <strong>of</strong> this research was sponsored by <strong>the</strong> Dutch National research programme ‘Climate changes spatial planning’. The authors wish to thank Maarten Hilferink (Object Vision) <strong>and</strong> Piet Rietveld (Vrije Universiteit Amsterdam) for participating in constructive discussions on <strong>the</strong> calibration methods <strong>and</strong> results <strong>and</strong> for <strong>the</strong>ir comments on draft texts <strong>of</strong> this report. Additional thanks go to Aldrik Bakema <strong>and</strong> Marianne Kuijpers-Linde for <strong>the</strong>ir continuous comments on <strong>the</strong> research progress. We are finally indebted to <strong>the</strong> four reviewers (Peter Janssen, Anton van der Giessen, Guus de Holl<strong>and</strong>er <strong>and</strong> Jan Ritsema van Eck) whose extensive comments greatly helped to improve <strong>the</strong> readability <strong>and</strong> overall quality <strong>of</strong> <strong>the</strong> text. Acknowledgements 41